Hydrogen from Biorenewables via Biological Processes

Biochemical and biological processes have marty advantages  

Green chemistry offers cleaner processes for energy abatement. Some of these energy conversion processes are  

Nitrogen fixation is the process by which nitrogen is taken from its relatively inert molecular form in the atmosphere and converted into nitrogen compounds useful for other chemical processes. Hydrogen gas is also released during the biological nitrogen fixation process. 

Hydrogen is produced in microoiganisms by enzymes capable of ledncing free protons to molecular hydrogen. Examples of these enzymes inclnde hydrogenases and the nitrogenases. The production of hydrogen by these enzymes is nsnally cou- 

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